Card Number Validation in Python in bytes. Cheevos Holes Recent Holes Langs Medals Misc All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 74th ahmetdemirag 🇨🇾 703 118 6 Feb 2025 74th plcc0 703 118 6 Apr 2025 74th KatieLG 🇬🇧 703 118 20 Apr 2025 79th jtaxen 697 119 21 Oct 2024 79th psbpsbp 697 119 19 Dec 2024 79th klixel 🇨🇦 697 119 9 Apr 2025 82nd TaserTheFox 🇺🇸 692 120 8 Oct 2024 82nd yokasuretsu 692 120 26 Jan 2025 82nd Troon 692 120 17 Feb 2025 82nd keelimeguy 🇺🇸 692 120 18 days ago 86th chartung17 680 122 24 Mar 2025 87th msbranicky 675 123 3 Oct 2024 87th bobbysq 675 123 5 Oct 2024 87th wuzekai518 675 123 8 Oct 2024 87th vhoulbreque 🇫🇷 675 123 4 Feb 2025 91st NotEvenIndian 669 124 22 Oct 2024 91st ridingqwerty 🇺🇸 669 124 16 Jan 2025 93rd bnic24 664 125 3 Oct 2024 93rd adoxography 664 125 22 Oct 2024 93rd wh3n3v3r 🇨🇿 664 125 18 Nov 2024 96th CatsAreFluffy 654 127 30 Oct 2024 96th WillowWispy 654 127 25 May 2025 98th lelbal 648 128 2 Oct 2024 98th Lv0Sys 🇵🇱 648 128 16 days ago 100th madex 🇩🇪 643 129 2 Oct 2024 100th RedzGoose 🇦🇺 643 129 15 Oct 2024 100th calebaitken 643 129 11 Apr 2025 103rd Europe2048 638 130 2 Oct 2024 103rd nstearns96 🇬🇧 638 130 2 Oct 2024 103rd rollershutter 638 130 10 Jan 2025 106th Stockoh 🇫🇷 634 131 2 Oct 2024 106th inverseLorentz 🇦🇺 634 131 7 Oct 2024 106th dokutan 634 131 19 Oct 2024 106th CornerMercury 🇬🇧 634 131 3 Dec 2024 106th sciencejiho 634 131 11 Feb 2025 106th Jaydosu 634 131 11 Apr 2025 112th Mabeloid 🇳🇴 624 133 2 Oct 2024 112th Emutis 🇱🇹 624 133 4 Feb 2025 114th sciencedjinn 610 136 8 Nov 2024 114th ihatethefrench 610 136 4 Jan 2025 116th kurkale6ka 606 137 16 Oct 2024 116th 4ndyJ 🇬🇧 606 137 14 Nov 2024 118th BREMAUCY 🇫🇷 601 138 2 Oct 2024 119th scpchicken 🇵🇼 597 139 6 Oct 2024 120th NanduBC 593 140 1 Oct 2024 120th Mikey-Beep 🇬🇧 593 140 7 Oct 2024 120th jmerle 🇳🇱 593 140 10 Jan 2025 120th RobertHoeh 593 140 3 Mar 2025 120th smilesformiles3 593 140 19 days ago 120th artem-aramma 593 140 13 days ago 126th FranklinJiaChen 589 141 2 Oct 2024 127th brimstonetrader 585 142 17 Oct 2024 127th snoozingnewt 🇺🇸 585 142 31 Mar 2025 127th codewrite 🇬🇧 585 142 5 May 2025 127th RobGLambert 585 142 24 days ago 131st GeneralFabian 580 143 9 Dec 2024 131st CutSandstone 580 143 30 Jan 2025 131st kistlerf 🇨🇭 580 143 19 May 2025 134th hiichbindermax 576 144 2 Oct 2024 134th mathisfun271 576 144 14 Oct 2024 134th bob-th 576 144 22 Oct 2024 137th JunkIce 572 145 3 Dec 2024 138th croc54 568 146 15 Dec 2024 139th PyryL 🇫🇮 565 147 1 Mar 2025 140th mbittner20 561 148 13 Oct 2024 141st FlorianCassayre 🇫🇷 553 150 1 Oct 2024 141st jameswmccarty 553 150 5 Oct 2024 141st yousefalizadeh 553 150 23 Oct 2024 141st feherd 553 150 31 Oct 2024 141st RaBa21 553 150 4 May 2025 141st TheZwierzLF 🇵🇱 553 150 17 May 2025 147th 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